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namespace Sinc.ERP.Application;

/// <summary>
/// 序列服务 🧩
/// </summary>
[ApiDescriptionSettings(ApplicationConst.GroupName, Order = 100)]
public class SequenceService : CustomBaseService, IDynamicApiController
{
    private readonly SqlSugarRepository<Sequence> _sequenceRep;
    private readonly ISqlSugarClient _sqlSugarClient;

    public SequenceService(SqlSugarRepository<Sequence> sequenceRep, ISqlSugarClient sqlSugarClient)
    {
        _sequenceRep = sequenceRep;
        _sqlSugarClient = sqlSugarClient;
    }

    /// <summary>
    /// 分页查询序列 🔖
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [DisplayName("分页查询序列")]
    [ApiDescriptionSettings(Name = "Page"), HttpPost]
    public async Task<SqlSugarPagedList<SequenceOutput>> Page(PageSequenceInput input)
    {
        input.Keyword = input.Keyword?.Trim();
        var query = _sequenceRep.AsQueryable()
            .WhereIF(!string.IsNullOrWhiteSpace(input.Keyword), u => u.Code.Contains(input.Keyword) || u.Name.Contains(input.Keyword) || u.Remark.Contains(input.Keyword))
            .WhereIF(!string.IsNullOrWhiteSpace(input.Code), u => u.Code.Contains(input.Code.Trim()))
            .WhereIF(!string.IsNullOrWhiteSpace(input.Name), u => u.Name.Contains(input.Name.Trim()))
            .WhereIF(!string.IsNullOrWhiteSpace(input.Remark), u => u.Remark.Contains(input.Remark.Trim()))
            .WhereIF(input.CurrentValue != null, u => u.CurrentValue == input.CurrentValue)
            .WhereIF(input.MinValue != null, u => u.MinValue == input.MinValue)
            .WhereIF(input.MaxValue != null, u => u.MaxValue == input.MaxValue)
            .WhereIF(input.Increment != null, u => u.Increment == input.Increment)
            .WhereIF(input.Cycle.HasValue, u => u.Cycle == input.Cycle)
            .WhereIF(input.Cache != null, u => u.Cache == input.Cache)
            .Select<SequenceOutput>();
        return await query.OrderBuilder(input).ToPagedListAsync(input.Page, input.PageSize);
    }

    /// <summary>
    /// 获取序列详情 ℹ️
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [DisplayName("获取序列详情")]
    [ApiDescriptionSettings(Name = "Detail"), HttpGet]
    public async Task<Sequence> Detail([FromQuery] QueryByIdSequenceInput input)
    {
        return await _sequenceRep.GetFirstAsync(u => u.Id == input.Id);
    }

    /// <summary>
    /// 增加序列 ➕
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [DisplayName("增加序列")]
    [ApiDescriptionSettings(Name = "Add"), HttpPost]
    public async Task<long> Add(AddSequenceInput input)
    {
        var entity = input.Adapt<Sequence>();
        return await _sequenceRep.InsertAsync(entity) ? entity.Id : 0;
    }

    /// <summary>
    /// 更新序列 ✏️
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [DisplayName("更新序列")]
    [ApiDescriptionSettings(Name = "Update"), HttpPost]
    public async Task Update(UpdateSequenceInput input)
    {
        var entity = input.Adapt<Sequence>();
        await _sequenceRep.AsUpdateable(entity)
        .ExecuteCommandAsync();
    }

    /// <summary>
    /// 删除序列 ❌
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [DisplayName("删除序列")]
    [ApiDescriptionSettings(Name = "Delete"), HttpPost]
    public async Task Delete(DeleteSequenceInput input)
    {
        var entity = await _sequenceRep.GetFirstAsync(u => u.Id == input.Id) ?? throw Oops.Oh(ErrorCodeEnum.D1002);
        await _sequenceRep.FakeDeleteAsync(entity);   //假删除
        //await _sequenceRep.DeleteAsync(entity);   //真删除
    }

    /// <summary>
    /// 批量删除序列 ❌
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [DisplayName("批量删除序列")]
    [ApiDescriptionSettings(Name = "BatchDelete"), HttpPost]
    public async Task<int> BatchDelete([Required(ErrorMessage = "主键列表不能为空")] List<DeleteSequenceInput> input)
    {
        var exp = Expressionable.Create<Sequence>();
        foreach (var row in input) exp = exp.Or(it => it.Id == row.Id);
        var list = await _sequenceRep.AsQueryable().Where(exp.ToExpression()).ToListAsync();

        return await _sequenceRep.FakeDeleteAsync(list);   //假删除
        //return await _sequenceRep.DeleteAsync(list);   //真删除
    }

    /// <summary>
    /// 导出序列记录 🔖
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [DisplayName("导出序列记录")]
    [ApiDescriptionSettings(Name = "Export"), HttpPost, NonUnify]
    public async Task<IActionResult> Export(PageSequenceInput input)
    {
        var list = (await Page(input)).Items?.Adapt<List<ExportSequenceOutput>>() ?? new();
        if (input.SelectKeyList?.Count > 0) list = list.Where(x => input.SelectKeyList.Contains(x.Id)).ToList();
        return ExcelHelper.ExportTemplate(list, "序列导出记录");
    }

    /// <summary>
    /// 下载序列数据导入模板 ⬇️
    /// </summary>
    /// <returns></returns>
    [DisplayName("下载序列数据导入模板")]
    [ApiDescriptionSettings(Name = "Import"), HttpGet, NonUnify]
    public IActionResult DownloadTemplate()
    {
        return ExcelHelper.ExportTemplate(new List<ExportSequenceOutput>(), "序列导入模板");
    }

    /// <summary>
    /// 导入序列记录 💾
    /// </summary>
    /// <returns></returns>
    [DisplayName("导入序列记录")]
    [ApiDescriptionSettings(Name = "Import"), HttpPost, NonUnify, UnitOfWork]
    public IActionResult ImportData([Required] IFormFile file)
    {
        lock (this)
        {
            var stream = ExcelHelper.ImportData<ImportSequenceInput, Sequence>(file, (list, markerErrorAction) =>
            {
                _sqlSugarClient.Utilities.PageEach(list, 2048, pageItems =>
                {
                    // 校验并过滤必填基本类型为null的字段
                    var rows = pageItems.Where(x =>
                    {
                        if (string.IsNullOrWhiteSpace(x.Code))
                        {
                            x.Error = "序列前缀不能为空";
                            return false;
                        }
                        if (string.IsNullOrWhiteSpace(x.Name))
                        {
                            x.Error = "序列名称不能为空";
                            return false;
                        }
                        if (x.CurrentValue == null)
                        {
                            x.Error = "当前值不能为空";
                            return false;
                        }
                        if (x.MinValue == null)
                        {
                            x.Error = "最小值不能为空";
                            return false;
                        }
                        if (x.MaxValue == null)
                        {
                            x.Error = "最大值不能为空";
                            return false;
                        }
                        if (x.Increment == null)
                        {
                            x.Error = "步长不能为空";
                            return false;
                        }
                        if (x.Cycle == null)
                        {
                            x.Error = "循环模式不能为空";
                            return false;
                        }
                        if (x.Cache == null)
                        {
                            x.Error = "缓存数量不能为空";
                            return false;
                        }
                        return true;
                    }).Adapt<List<Sequence>>();

                    var storageable = _sequenceRep.Context.Storageable(rows)
                        .SplitError(it => it.Item.Code?.Length > 100, "序列前缀长度不能超过100个字符")
                        .SplitError(it => string.IsNullOrWhiteSpace(it.Item.Name), "序列名称不能为空")
                        .SplitError(it => it.Item.Name?.Length > 100, "序列名称长度不能超过100个字符")
                        .SplitError(it => it.Item.Remark?.Length > 1000, "备注长度不能超过1000个字符")
                        .WhereColumns(it => new { it.Code }).SplitError(it => it.Any(), "序列前缀已存在")
                        .WhereColumns(it => new { it.Name }).SplitError(it => it.Any(), "序列名称已存在")
                        .SplitInsert(_ => true)
                        .ToStorage();

                    if (rows.Any())
                    {
                        storageable.BulkCopy();
                        storageable.BulkUpdate();
                    }
                    // 标记错误信息
                    markerErrorAction.Invoke(storageable, pageItems, rows);
                });
            });

            return stream;
        }
    }
}
